Big Ideas
Stories worth coming back to.
Nature & techHow a Kingfisher Helped Shape the Bullet Train
Japan’s fastest trains had a noisy tunnel problem. The answer came from a small bird diving for lunch.Explore the idea ↗Explore by idea
Money & techBitcoin and Gold: Why Are They Compared?
Gold is ancient. Bitcoin is new. Both draw attention because their supply is limited — but they work in very different ways.
MarketsBill Ackman’s Billion-Dollar Comeback
His biggest bets were failing, investors were leaving, and his marriage was ending. Bill Ackman rebuilt by returning to basics.
Customer serviceUnited Breaks Guitars
One broken guitar became three songs — and a warning that a customer story can travel farther than a company expects.
SoftwareWhen One Bug Moved the Market
A bad release sent millions of unintended stock orders into the market before people could understand what was happening.
QuantumWhat Is a Qubit?
The transistor built the digital world. The qubit could unlock a new kind of computer — if scientists can keep it under control.
AI